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供暖系統(tǒng)畢業(yè)設(shè)計(jì)說(shuō)明書(shū)-展示頁(yè)

2024-09-10 18:10本頁(yè)面
  

【正文】 ............................................................................. 3 2 設(shè)計(jì)參數(shù)的計(jì)算與確定 .......................................................................................................... 4 設(shè)計(jì)溫度的確定 ............................................................................................................... 4 建筑圍護(hù)結(jié)構(gòu)傳熱系數(shù)的確定與校核 ........................................................................... 4 圍護(hù)結(jié)構(gòu)的熱工性能 ................................................................................................ 4 計(jì)算圍構(gòu)護(hù)結(jié)的傳熱系數(shù) ........................................................................................ 4 外墻傳熱熱阻和最小傳熱熱阻的校核 ............................................................. 5 內(nèi)墻傳熱熱阻和最小傳熱熱阻的校核 ............................................................. 6 屋面?zhèn)鳠釤嶙韬妥钚鳠釤嶙璧男:? ............................................................. 7 確定地面的傳熱系數(shù) ......................................................................................... 8 3 供熱系統(tǒng)熱負(fù)荷的計(jì)算 ........................................................................................................ 10 房間內(nèi)的熱損失 ............................................................................................................. 10 通過(guò)圍護(hù)結(jié)構(gòu)的耗熱量 ................................................................................................. 10 通過(guò)圍護(hù)結(jié)構(gòu)的基本耗熱量 .................................................................................. 10 通過(guò)圍護(hù)結(jié)構(gòu)的朝向修正耗熱量 .......................................................................... 11 通過(guò)圍護(hù)結(jié)構(gòu)的風(fēng)力附加耗熱量 .......................................................................... 11 通過(guò)圍護(hù)結(jié)構(gòu)的高度附加耗熱量 .......................................................................... 11 計(jì)算冷風(fēng)滲透耗熱量 ..................................................................................................... 11 外門(mén)冷風(fēng)侵入耗熱量的計(jì)算 ......................................................................................... 12 供暖系統(tǒng)畢業(yè)設(shè)計(jì)說(shuō)明書(shū) 供暖房間熱負(fù)荷計(jì)算示例 ............................................................................................. 12 4 供熱系統(tǒng)形式的選擇與設(shè)計(jì) ................................................................................................ 14 供熱系統(tǒng)形式的選擇 ..................................................................................................... 14 按系統(tǒng)循環(huán)動(dòng)力 ...................................................................................................... 14 按管道連接及熱媒流經(jīng)路程 .................................................................................. 14 按系統(tǒng)每組立 管數(shù)不同 .......................................................................................... 14 按供水方式 .............................................................................................................. 14 管道的布置 ..................................................................................................................... 14 散熱器的選擇計(jì)算及散熱器的布置 ............................................................................. 15 散熱器材質(zhì)的選擇 .................................................................................................. 15 散熱器散熱面積和片數(shù)的計(jì)算 .............................................................................. 15 散熱器的計(jì)算示例 .................................................................................................. 16 散熱器的布置 .......................................................................................................... 17 5 室內(nèi)的水力計(jì)算 .................................................................................................................... 18 室內(nèi)熱水供暖系統(tǒng)管路水力計(jì)算的基本原理 ............................................................. 18 室內(nèi)熱水供暖系統(tǒng)管路不平衡率校核計(jì)算 ................................................................. 18 室內(nèi)熱水供暖系統(tǒng)各管段壓力計(jì)算 ...................................................................... 18 室內(nèi)熱水供暖系統(tǒng)水力不平衡率計(jì)算 .................................................................. 19 同程式系統(tǒng)水力計(jì)算示例 ............................................................................... 19 異程式系統(tǒng)水力計(jì)算示例 ............................................................................... 20 6 系統(tǒng)定壓方式選擇 ................................................................................................................ 22 用戶支管定壓 ................................................................................................................. 22 熱水供熱系統(tǒng)定壓方式 ................................................................................................. 22 膨脹水箱定壓 .......................................................................................................... 22 普通補(bǔ)水泵定壓 ...................................................................................................... 22 氣體定壓罐定壓 ...................................................................................................... 22 蒸汽定壓 .................................................................................................................. 22 供暖系統(tǒng)畢業(yè)設(shè)計(jì)說(shuō)明書(shū) 補(bǔ)水泵變頻調(diào)速定壓 .............................................................................................. 23 自來(lái)水定壓 .............................................................................................................. 23 溢水定壓形式 .......................................................................................................... 23 本設(shè)計(jì)的定壓方式 ......................................................................................................... 23 7 系統(tǒng)附屬設(shè)備選型 ................................................................................................................ 24 循環(huán)水泵的布置與選擇 ................................................................................................. 24 補(bǔ)給水泵的選擇計(jì)算 ..................................................................................................... 27 補(bǔ)給水泵的選擇要求 ...................................................
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